Yeah like you said there aren't too many options when it comes to the struts, I was seriously thinking about the OME struts which look to be modified Bilsteins (which I really like) but I couldn't find a single bad review about the KYBs and they were 1/3 the cost of the OMEs so it was an easy decision. KYBs are also an OEM suppliers to Nissan and others from what I've read. Having said that if this wasn't a mild/budget build I would've gone with the OMEs because they probably have longer travel, though longer travel also means more stress on the CVs etc so it's really a slippery slope. I'm definitely looking forward to the new suspension setup and eliminating the dreaded death-wobble from worn out rear control arm bushings.
Tires wise another option is wheel spacers. Fluery (well known member on the Pathfinder forums) is running 1.25" spacers with the stock wheels and 265/75/16 (32"). His truck sees a fair amount of off-roading and he hasn't had any issues with them. Quite honestly I'm a bit on the fence about the 32" tires, to me they look juuust a tad bit poseurish on the Pathys especially with MTs- at least in the pics that I've seen on the web. I'm thinking 31" is probably a good size but I have to see what the fender gap looks like. They just may look like little donuts after the lift. If you have any pics of your truck with the 30" tires I'd love to see them.
I haven't looked at the Duratracs, I'll check them out. Thanks for the ideas and suggestions!